Brochure

T201-000 Series (2260 Series)
Airstream Temperature Controllers
Model Chart
Specifications
Accessories
Typical Applications
The T201 series are one-pipe, non-relay controllers designed
primarily for use as low limit thermostats in unit ventilator and central
fan system applications.
Features:
• Rigid or averaging liquid-filled sensing elements.
• Field-adjustable throttling range.
• Simple, straightforward one-pipe (nozzle and flapper) operation (Direct-Acting).
• May be used as primary or low-limit controller.
• Includes gauge-tee and compression restrictor-tee.
Model No.
Wholesale Model
No.
Sensing Element Style Dimensions
T201-023 2260-550 Rigid stem 3/16 x 19-3/8 in. (5 x 492 mm)
T201-024 2260-551 Averaging 3/32 in. x 8 ft. (2 mm x 2.4 m)
Thermostat Proportional type.
Sensing element Liquid-filled.
Control dial range 40 to 150qF (4 to 65qC), marked Warmer-Cooler with 5qF (3qC) increments.
Throttling range 10 to 50qF (6 to 28qC), field adjustable, marked A through E.
Output air signal 3 to 15 psig (21 to 103 kPa).
Control mechanism Mounted in steel enclosure with cover.
Restriction External-fixed; furnished for unit ventilator applications.
Construction White molded plastic snap-on cover, iridited aluminum base.
Action Direct only.
Maximum bulb temperature limit 250qF (121qC).
Supply air pressure Clean, dry, oil free air required (Ref. EN-123).
Nominal 15 to 17 psig (103 to 117 kPa).
Maximum 30 psig (207 kPa).
Air connections 1/8 in.27 (FNPT).
Air consumption for sizing air
compressor
30 scim (8.2 mL/s).
Mounting Insertion with two locknuts and washers on 3/8 in. NPSM threaded boss.
Case dimensions 3-31/64 H x 1-1/8 W x 1-7/16 D in. (89 x 29 x 36 mm).
Weight Approx. 0.6 lbs. (0.3 kg).
Model No. Wholesale Model No. Description
100-46 20-802 Adjustable restrictor for fan system applications.
01
-
000
r
ies (2260
r
ies)
T201-023 Shown
Wire to
Load Side
of Unit Fan
Motor
Room or Return Air
Thermostat
N.
C.
N.
O.
E/P Relay
Heating
Control Valve
N.O. 3-8 psig Spring
T201
Low Limit Airstream
Temperature Controller
M583 or M584
Damper Actuator
Outdoor/Return Air
M
BM
1
V
C
M
2
1 Element in Discharge Air
2 1/8" Resistor-tee and gauge-tee included. Gauge not included.
Figure 1 Typical Application
(Heating-Only Unit Ventilator).
F-27383-1 © Copyright 2006 TAC. All Rights Reserved. 133